Analysis Of Income And Expense [Abstract]

Elisa Oyj - Filing #2160241

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	2,180,500,000 EUR	—	—	—	—	—	—	2,129,500,000 EUR	—	—
Expenses by nature [abstract]
Classes of employee benefits expense [abstract]
Employee benefits expense	417,100,000 EUR	—	—	—	—	—	—	394,800,000 EUR	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	274,100,000 EUR	—	—	—	—	—	—	263,400,000 EUR	—	—
Other expenses, by nature	199,300,000 EUR	—	—	—	—	—	—	187,500,000 EUR	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	400,000 EUR	0 EUR	400,000 EUR	400,000 EUR	—	4,800,000 EUR	—	4,700,000 EUR	4,800,000 EUR	0 EUR
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates accounted for using equity method	400,000 EUR	—	—	—	—	—	—	700,000 EUR	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	374,800,000 EUR	1,200,000 EUR	374,800,000 EUR	376,000,000 EUR	1,200,000 EUR	369,300,000 EUR	0 EUR	368,000,000 EUR	369,300,000 EUR	1,300,000 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	376,000,000 EUR	—	—	—	—	—	—	369,300,000 EUR	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	1,200,000 EUR	—	—	—	—	—	—	1,300,000 EUR	—	—